9fdb0030c4
Files correlati : omento : Aggiornata cUrl alla ultima versione su Github: 7.56.1 git-svn-id: svn://10.65.10.50/branches/R_10_00@24202 c028cbd2-c16b-5b4b-a496-9718f37d4682
112 lines
4.3 KiB
Groff
112 lines
4.3 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_CUSTOMREQUEST 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CUSTOMREQUEST \- custom string for request
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CUSTOMREQUEST, char *request);
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.SH DESCRIPTION
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Pass a pointer to a zero terminated string as parameter.
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When you change the request method by setting \fICURLOPT_CUSTOMREQUEST(3)\fP
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to something, you don't actually change how libcurl behaves or acts in regards
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to the particular request method, it will only change the actual string sent
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in the request.
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Restore to the internal default by setting this to NULL.
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This option can be used to specify the request:
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.IP HTTP
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Instead of GET or HEAD when performing HTTP based requests. This is
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particularly useful, for example, for performing a HTTP DELETE request.
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For example:
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When you tell libcurl to do a HEAD request, but then specify a GET though a
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custom request libcurl will still act as if it sent a HEAD. To switch to a
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proper HEAD use \fICURLOPT_NOBODY(3)\fP, to switch to a proper POST use
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\fICURLOPT_POST(3)\fP or \fICURLOPT_POSTFIELDS(3)\fP and to switch to a proper
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GET use \fICURLOPT_HTTPGET(3)\fP.
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Many people have wrongly used this option to replace the entire request with
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their own, including multiple headers and POST contents. While that might work
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in many cases, it will cause libcurl to send invalid requests and it could
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possibly confuse the remote server badly. Use \fICURLOPT_POST(3)\fP and
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\fICURLOPT_POSTFIELDS(3)\fP to set POST data. Use \fICURLOPT_HTTPHEADER(3)\fP
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to replace or extend the set of headers sent by libcurl. Use
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\fICURLOPT_HTTP_VERSION(3)\fP to change HTTP version.
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.IP FTP
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Instead of LIST and NLST when performing FTP directory listings.
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.IP IMAP
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Instead of LIST when issuing IMAP based requests.
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.IP POP3
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Instead of LIST and RETR when issuing POP3 based requests.
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For example:
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When you tell libcurl to use a custom request it will behave like a LIST or
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RETR command was sent where it expects data to be returned by the server. As
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such \fICURLOPT_NOBODY(3)\fP should be used when specifying commands such as
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DELE and NOOP for example.
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.IP SMTP
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Instead of a HELP or VRFY when issuing SMTP based requests.
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For example:
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Normally a multiline response is returned which can be used, in conjunction
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with \fICURLOPT_MAIL_RCPT(3)\fP, to specify an EXPN request. If the
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\fICURLOPT_NOBODY(3)\fP option is specified then the request can be used to
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issue NOOP and RSET commands.
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The application does not have to keep the string around after setting this
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option.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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HTTP, FTP, IMAP, POP3 and SMTP
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
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/* DELETE the given path */
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curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
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ret = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH AVAILABILITY
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IMAP is supported since 7.30.0, POP3 since 7.26.0 and SMTP since 7.34.0.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
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.BR CURLOPT_HTTPHEADER "(3), " CURLOPT_NOBODY "(3), "
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.BR CURLOPT_REQUEST_TARGET "(3), "
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